Atlassian CEO Cannon-Brookes sells 7,665 shares in plan

Atlassian Corp CEO and co-founder Michael Cannon-Brookes reported six indirect sales of Class A Common Stock on September 24, 2025, totaling 7,665 shares.

Rhea-AI Filing Summary

Atlassian Corp CEO and co-founder Michael Cannon-Brookes reported six indirect sales of Class A Common Stock on September 24, 2025, totaling 7,665 shares. The sales used reported weighted-average prices including $164.1496, $166.1288 and $168.5774 per share. The shares are held through CBC Co Pty Limited as trustee for the Cannon-Brookes Head Trust, which now holds 30,660 shares after these transactions. Footnotes note that certain trades were effected pursuant to a Rule 10b5-1 trading plan adopted on February 20, 2025.

Insights

Financial Analyst

TL;DR: Director and major owner executed planned sales of 7,665 TEAM shares via a 10b5-1 plan; reported holdings remain material.

The reported transactions are structured disposals under a pre-established Rule 10b5-1 plan adopted February 20, 2025, indicating trades were planned rather than opportunistic. Total shares sold equal 7,665 across six lots with weighted-average prices disclosed for each lot between $164.15 and $169.28. Beneficial ownership held by the trustee decreased to 30,660 shares. From an analytical standpoint, the disclosure is clear and provides per-lot price ranges which aid transparency; the absolute size of the sale should be assessed relative to total outstanding shares for materiality, which is not provided in this filing.

Corporate Governance Expert

TL;DR: Insiders used a documented 10b5-1 plan to sell shares; disclosure meets Section 16 requirements and includes price-range transparency.

The Form 4 properly identifies the reporting person as a director, officer and >10% owner and states the 10b5-1 plan adoption date, satisfying procedural governance expectations. The filing specifies that shares are held indirectly through a trustee and supplies weighted-average prices and intraday ranges for each lot, improving traceability. The filing does not include contextual data such as total company float or percent ownership post-sale, so investors must reference other filings for full governance impact assessment.

Insider Trade Summary

Net Seller: 7,665 shares

Net Sell 6 txns

Insider Cannon-Brookes Michael

Role CEO, Co-Founder

Sold 7,665 shs ($1.27M)

Type	Security	Shares	Price	Value
Sale	Class A Common Stock	4,730	$164.1496	$776K
Sale	Class A Common Stock	600	$166.1288	$100K
Sale	Class A Common Stock	385	$168.5774	$65K
Sale	Class A Common Stock	1,000	$165.062	$165K
Sale	Class A Common Stock	900	$167.6393	$151K
Sale	Class A Common Stock	50	$169.28	$8K

Holdings After Transaction: Class A Common Stock — 30,660 shares (Indirect, See Footnote)

Footnotes (7)

1. F1. This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 20, 2025.
2. F2. This transaction was executed in multiple trades during the day at prices ranging from $163.74 to $164.73. The weighted-average price is reported above. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transactions were effected.
3. F3. Shares are held by CBC Co Pty Limited as trustee for the Cannon-Brookes Head Trust.
4. F4. This transaction was executed in multiple trades during the day at prices ranging from $165.87 to $166.65. The weighted-average price is reported above. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transactions were effected.
5. F5. This transaction was executed in multiple trades during the day at prices ranging from $168.15 to $169.11. The weighted-average price is reported above. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transactions were effected.
6. F6. This transaction was executed in multiple trades during the day at prices ranging from $164.74 to $165.71. The weighted-average price is reported above. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transactions were effected.
7. F7. This transaction was executed in multiple trades during the day at prices ranging from $167.14 to $168.08. The weighted-average price is reported above. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transactions were effected.

Key Figures

Shares sold: 7,665 shares Sale price per share: $164.1496 Sale price per share: $166.1288 +3 more

6 metrics

Shares sold 7,665 shares Aggregate Class A Common Stock sold indirectly on September 24, 2025

Sale price per share $164.1496 Weighted-average price for one block of indirect sales on September 24, 2025

Sale price per share $166.1288 Weighted-average price for another block of indirect sales on September 24, 2025

Sale price per share $168.5774 Weighted-average price for a further block of indirect sales on September 24, 2025

Post-transaction holdings 30,660 shares Indirect Class A Common Stock held through CBC Co Pty Limited after the reported sales

10b5-1 plan adoption date February 20, 2025 Date the Rule 10b5-1 trading plan referenced in the Form 4 footnotes was adopted

Key Terms

Rule 10b5-1 trading plan, weighted-average price, trustee, indirect ownership, +1 more

5 terms

Rule 10b5-1 trading plan financial

"This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person"

A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.

weighted-average price financial

"The weighted-average price is reported above. The Reporting Person hereby undertakes to provide upon request"

Weighted-average price is the average of multiple prices where each price is counted according to its size or importance—larger trades carry more weight than smaller ones, like averaging course grades by credit hours. It matters to investors because it gives a more realistic picture of the true price paid or received, helping assess trade execution, compare performance, calculate cost basis, and value positions more accurately than a simple average.

trustee financial

"Shares are held by CBC Co Pty Limited as trustee for the Cannon-Brookes Head Trust."

A trustee is a person or institution legally appointed to hold and manage assets or enforce an agreement on behalf of other people (beneficiaries). Think of a trustee as a neutral referee or custodian who must act in the beneficiaries’ best interests, follow the trust or contract rules, and handle distributions, recordkeeping and enforcement. Investors care because a trustworthy trustee protects their rights, ensures promised payments or remedies are delivered, and can influence recoveries if things go wrong.

indirect ownership financial

"ownership_type>indirect</ownership_type><nature_of_ownership>See Footnote</nature_of_ownership>"

Cannon-Brookes Head Trust financial

"Shares are held by CBC Co Pty Limited as trustee for the Cannon-Brookes Head Trust."

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did Atlassian (TEAM) CEO Michael Cannon-Brookes report in this Form 4?

He reported six indirect sales of Atlassian Class A Common Stock on September 24, 2025, totaling 7,665 shares. The filing lists weighted-average sale prices such as $164.1496, $166.1288 and $168.5774 per share for different trade blocks.

How many Atlassian (TEAM) shares does Michael Cannon-Brookes indirectly hold after these reported sales?

After the reported trades, an associated trust holds 30,660 shares of Atlassian Class A Common Stock. This post-transaction balance is reported as an indirect holding, reflecting shares held through CBC Co Pty Limited as trustee for the Cannon-Brookes Head Trust.

Were the Atlassian (TEAM) insider sales made under a Rule 10b5-1 trading plan?

The Form 4 footnotes state that certain transactions were effected pursuant to a Rule 10b5-1 trading plan adopted on February 20, 2025. Such plans pre-arrange trading activity, reducing the informational content of sale timing about the insider’s short-term views.

Who legally holds the Atlassian (TEAM) shares involved in Michael Cannon-Brookes’s Form 4 filing?

The footnotes explain that the shares are held by CBC Co Pty Limited as trustee for the Cannon-Brookes Head Trust. The transactions therefore relate to indirect ownership through this trust structure rather than direct personal shareholdings.

What were the price characteristics of the Atlassian (TEAM) insider sales on September 24, 2025?

Each reported sale used a weighted-average price per share, including figures like $164.1496, $166.1288 and $168.5774. Footnotes note that trades occurred in multiple lots during the day within specified intraday price ranges.

Are Michael Cannon-Brookes’s Atlassian (TEAM) holdings in this Form 4 direct or indirect?

The holdings are reported as indirect ownership, with the nature of ownership described in a footnote. Shares are held via CBC Co Pty Limited as trustee for the Cannon-Brookes Head Trust, which is shown holding 30,660 shares after the transactions.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 09/25/2025 - 04:33 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person^*

Cannon-Brookes Michael

(Last) (First) (Middle)

C/O ATLASSIAN CORPORATION

350 BUSH STREET, FLOOR 13

(Street)

SAN FRANCISCO CA 94104

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Atlassian Corp [ TEAM ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director	X	10% Owner
X	Officer (give title below)		Other (specify below)
	CEO, Co-Founder

3. Date of Earliest Transaction (Month/Day/Year)
09/24/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Class A Common Stock	09/24/2025		S(1)		4,730	D	$164.1496(2)	33,595	I	See Footnote(3)
Class A Common Stock	09/24/2025		S(1)		600	D	$166.1288(4)	32,995	I	See Footnote(3)
Class A Common Stock	09/24/2025		S(1)		385	D	$168.5774(5)	32,610	I	See Footnote(3)
Class A Common Stock	09/24/2025		S(1)		1,000	D	$165.062(6)	31,610	I	See Footnote(3)
Class A Common Stock	09/24/2025		S(1)		900	D	$167.6393(7)	30,710	I	See Footnote(3)
Class A Common Stock	09/24/2025		S(1)		50	D	$169.28	30,660	I	See Footnote(3)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 20, 2025.

2. This transaction was executed in multiple trades during the day at prices ranging from $163.74 to $164.73. The weighted-average price is reported above. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transactions were effected.

3. Shares are held by CBC Co Pty Limited as trustee for the Cannon-Brookes Head Trust.

4. This transaction was executed in multiple trades during the day at prices ranging from $165.87 to $166.65. The weighted-average price is reported above. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transactions were effected.

5. This transaction was executed in multiple trades during the day at prices ranging from $168.15 to $169.11. The weighted-average price is reported above. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transactions were effected.

6. This transaction was executed in multiple trades during the day at prices ranging from $164.74 to $165.71. The weighted-average price is reported above. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transactions were effected.

7. This transaction was executed in multiple trades during the day at prices ranging from $167.14 to $168.08. The weighted-average price is reported above. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transactions were effected.

Remarks:

	/s /Drew Parkes, Attorney-in-Fact for Cannon-Brookes Michael	09/25/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.